The composition of beeswax alkyl esters

  • P. J. Holloway


The alkyl esters of beeswax, after isolation from the unhydrolyzed wax by preparative layer chromatography (PLC), have been analyzed directly by high temperature GLC using 1.5% OV1 as liquid phase. In two commercial wax samples examined the ester homologues are predominantly even carbon numbered ranging from C36 to C54. The principal alkyl esters are C40, C42, C44, C46 and C48. The GLC analysis of the ester hydrolysis products revealed that the variations in ester chain length are produced by variations in the esterified primary alcohol chain lengths. The esterified fatty acid is chiefly hexadecanoic acid. The esterified fatty acids differ in composition from the free fatty acids which are also present in the wax.


Free Fatty Acid Primary Alcohol Alkyl Ester Beeswax Free Fatty Acid Fraction 
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Copyright information

© The American Oil Chemists’ Society 1969

Authors and Affiliations

  • P. J. Holloway
    • 1
  1. 1.Long Ashton Research StationUniversity of BristolEngland

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